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Relevant bibliographies by topics / Vertical misfit

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Journal articles

Academic literature on the topic 'Vertical misfit'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Vertical misfit"

1

Abasolo, Mikel, Josu Aguirrebeitia, Javier Vallejo, Joseba Albizuri, and Ibai Coria. "Influence of vertical misfit in screw fatigue behavior in dental implants: A three-dimensional finite element approach." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, no. 11 (2018): 1117–28. http://dx.doi.org/10.1177/0954411918806325.

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Misfit is unavoidable in dental implant-supported prostheses due to machining process or inappropriate assembling, and the definition of an admissible misfit is still a controversial issue. This work aims to understand the behavior of the screws in dental implant-supported prostheses to estimate an admissible vertical misfit value in terms of screw fatigue failure. For that purpose, a finite element model of a dental implant-supported prosthesis was created and analyzed. Vertical misfits were introduced in different positions, the lower and upper screws were tightened to the bolting force valu

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Barbosa, Gustavo Augusto Seabra, Sérgio Rocha Bernardes, Flávio Domingues das Neves, Alfredo Júlio Fernandes Neto, Maria da Glória Chiarello de Mattos, and Ricardo Faria Ribeiro. "Relation between implant/abutment vertical misfit and torque loss of abutment screws." Brazilian Dental Journal 19, no. 4 (2008): 358–63. http://dx.doi.org/10.1590/s0103-64402008000400013.

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This study investigated whether there is a direct correlation between the level of vertical misfit at the abutment/implant interface and torque losses (detorque) in abutment screws. A work model was obtained from a metal matrix with five 3.75 x 9 mm external hex implants with standard platform (4.1 mm). Four frameworks were waxed using UCLA type abutments and one-piece cast in commercially pure titanium. The misfit was analyzed with a comparator microscope after 20 Ncm torque. The highest value of misfit observed per abutment was used. The torque required to loose the screw was evaluated using

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Pereira, Lorena M. S., Mariane B. Sordi, Ricardo S. Magini, Antônio R. Calazans Duarte, and Júlio C. M. Souza. "Abutment misfit in implant-supported prostheses manufactured by casting technique: An integrative review." European Journal of Dentistry 11, no. 04 (2017): 553–58. http://dx.doi.org/10.4103/ejd.ejd_162_17.

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ABSTRACTThe aim of this study was to perform an integrative review of the literature on the clinically usual prosthesis-abutment misfit over implant-supported structures manufactured by conventional casting technique. The present integrative review used the PRISMA methodology. A bibliographical search was conducted on the following electronic databases: MEDLINE/PubMed (National Library of Medicine), Scopus (Elsevier), ScienceDirect (Elsevier), Web of Science (Thomson Reuters Scientific), Latin American and Caribbean Center on Health Sciences Information (BIREME), and Virtual Health Library (BV

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4

Irakarama, Modeste, Paul Cupillard, Guillaume Caumon, Paul Sava, and Jonathan Edwards. "Appraising structural interpretations using seismic data — Theoretical elements." GEOPHYSICS 84, no. 2 (2019): N29—N40. http://dx.doi.org/10.1190/geo2018-0128.1.

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Structural interpretation of seismic images can be highly subjective, especially in complex geologic settings. A single seismic image will often support multiple geologically valid interpretations. However, it is usually difficult to determine which of those interpretations are more likely than others. We have referred to this problem as structural model appraisal. We have developed the use of misfit functions to rank and appraise multiple interpretations of a given seismic image. Given a set of possible interpretations, we compute synthetic data for each structural interpretation, and then we

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RODRIGUES, Vinícius Anéas, João Paulo Mendes TRIBST, Leandro Ruivo de SANTIS, Gabriela Nogueira de Melo NISHIOKA, Dimas Renó de LIMA, and Renato Sussumu NISHIOKA. "Microscopic evaluation of implant platform adaptation with UCLA-type abutments: in vitro study." Revista de Odontologia da UNESP 46, no. 1 (2017): 56–60. http://dx.doi.org/10.1590/1807-2577.19516.

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Abstract Introduction The fit between abutment and implant is crucial to determine the longevity of implant-supported prostheses and the maintenance of peri-implant bones. Objective To evaluate the vertical misfit between different abutments in order to provide information to assist abutment selection. Material and method UCLA components (N=40) with anti-rotational system were divided as follows: components usinated in titanium (n=10) and plastic components cast proportionally in titanium (n=10), nickel-chromium-titanium-molybdenum (n=10) and nickel-chromium (n=10) alloys. All components were

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6

Pan, Wenyong, and Kristopher A. Innanen. "Amplitude-based misfit functions in viscoelastic full-waveform inversion applied to walk-away vertical seismic profile data." GEOPHYSICS 84, no. 5 (2019): B335—B351. http://dx.doi.org/10.1190/geo2018-0765.1.

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Viscoelastic full-waveform inversion is applied to walk-away vertical seismic profile data acquired at a producing heavy-oil field in Western Canada for the determination of subsurface velocity models (P-wave velocity [Formula: see text] and S-wave velocity [Formula: see text]) and attenuation models (P-wave quality factor [Formula: see text] and S-wave quality factor [Formula: see text]). To mitigate strong velocity-attenuation trade-offs, a two-stage approach is adopted. In Stage I, [Formula: see text] and [Formula: see text] models are first inverted using a standard waveform-difference (WD

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Pellizzer1, Eduardo Piza, Caroline Cantieri de Mello, Jéssica Marcela de Luna Gomes, Joel Ferreira Santiago Júnior, Cleidiel Aparecido Araújo Lemos, and Fellippo Ramos Verri. "Vertical and Horizontal Misfit Analysis of 3-unit FDP Fabricated with Different Techniques and CAD/CAM Systems." Brazilian Dental Journal 29, no. 4 (2018): 342–46. http://dx.doi.org/10.1590/0103-6440201801916.

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Abstract The aim of this is was evaluate the vertical and horizontal marginal adaptation of 3-unit fixed partial denture frameworks fabricated using different techniques and CAD/CAM systems. A total of 40 framework specimens were fabricated and divided into four groups as follows: lost-wax casting (G1); lost-wax casting with welding (G2); extraoral optical scanning of models (3S/DWOS) (G3); intraoral optical scanning (Cerec Bluecam/Sirona) (G4). A reference model was used to simulate a fixed partial denture with three elements (with a central pontic). The frameworks of G1 and G2 were cast in n

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8

Rodrigues, Vinícius Anéas, João Paulo Mendes Tribst, Leandro Ruivo de Santis, Dimas Renó de Lima, and Renato Sussumu Nishioka. "Influence of angulation and vertical misfit in the evaluation of micro-deformations around implants." Brazilian Dental Science 20, no. 1 (2017): 32. http://dx.doi.org/10.14295/bds.2017.v20i1.1311.

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<div><p class="Body1"><strong>Objective</strong>: This <em>in vitro</em> study was to evaluate micro-strains around of implant, under the influence of angulations and vertical misfit in three-element implant-supported fixed partial dentures during axial loading by using strain gauge analysis. <strong>Materials and Methods</strong>: Three external hexagon implants with straight configuration and three external hexagon implants with angled (17°) configuration were inserted into two polyurethane blocks. To measure micro-strain, four strain gauges we

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9

Vasconcellos, Diego Klee de, Marco Antonio Bottino, Renato Sussumu Nishioka, Luiz Felipe Valandro, and Elza Maria Valadares da Costa. "The influence of different screw tightening forces on the vertical misfit of implant-supported frameworks." Journal of Applied Oral Science 13, no. 2 (2005): 120–25. http://dx.doi.org/10.1590/s1678-77572005000200005.

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OBJECTIVES: The present in vitro study was designed to compare the differences in the vertical misfit of implant-supported frameworks using three different forces for tightening the bridge locking screws: fastening by hand until first resistance, and using torque drivers with 10 and 20Ncm. METHODS: The investigation was conducted based on the results given by 9 six-unit nickel-chromium (2 abutments/ 4 pontics) screw-retained implant-supported frameworks. The structures were exposed to simulated porcelain firings. The marginal misfit measurements were made using a traveling measuring microscope

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10

Barbosa Jr, Sales Antônio, Ataís Bacchi, Valentim Adelino Ricardo Barão, et al. "Implant Volume Loss, Misfit, Screw Loosening, and Stress In Custom Titanium and Zirconia Abutments." Brazilian Dental Journal 31, no. 4 (2020): 374–79. http://dx.doi.org/10.1590/0103-6440202003643.

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Abstract The aim of this study was to verify the effect of the implant volume loss, vertical misfit between abutment and prosthetic platform, prosthetic screw loosening torque, and screw stress distribution in titanium and zirconia abutments. Ten CAD/CAM system custom abutments of each material were milled and attached to the titanium implants. The implant volume loss was evaluated by microtomography, the vertical misfit with optical microscopy, and digital torque wrench measured the prosthetic screw loosening. All experimental analyses were performed before and after mechanical cycle (1,000,0

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